// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_CHROMEOS_IME_CANDIDATE_VIEW_H_
#define UI_CHROMEOS_IME_CANDIDATE_VIEW_H_

#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "ui/base/ime/candidate_window.h"
#include "ui/chromeos/ui_chromeos_export.h"
#include "ui/views/controls/button/custom_button.h"
#include "ui/views/controls/label.h"
#include "ui/views/view.h"

namespace ui {
namespace ime {

    // CandidateView renderes a row of a candidate.
    class UI_CHROMEOS_EXPORT CandidateView : public views::CustomButton {
    public:
        CandidateView(views::ButtonListener* listener,
            ui::CandidateWindow::Orientation orientation);
        ~CandidateView() override { }

        void GetPreferredWidths(int* shortcut_width,
            int* candidate_width);

        void SetWidths(int shortcut_width,
            int candidate_width);

        void SetEntry(const ui::CandidateWindow::Entry& entry);

        // Sets infolist icon.
        void SetInfolistIcon(bool enable);

        void SetHighlighted(bool highlighted);

    private:
        friend class CandidateWindowViewTest;
        FRIEND_TEST_ALL_PREFIXES(CandidateWindowViewTest, ShortcutSettingTest);

        // Overridden from views::CustomButton:
        void StateChanged() override;

        // Overridden from View:
        const char* GetClassName() const override;
        bool OnMouseDragged(const ui::MouseEvent& event) override;
        void Layout() override;
        gfx::Size GetPreferredSize() const override;

        // The orientation of the candidate view.
        ui::CandidateWindow::Orientation orientation_;

        // Views created in the class will be part of tree of |this|, so these
        // child views will be deleted when |this| is deleted.

        // The shortcut label renders shortcut numbers like 1, 2, and 3.
        views::Label* shortcut_label_;
        // The candidate label renders candidates.
        views::Label* candidate_label_;
        // The annotation label renders annotations.
        views::Label* annotation_label_;
        // The infolist icon.
        views::View* infolist_icon_;

        int shortcut_width_;
        int candidate_width_;
        bool highlighted_;

        DISALLOW_COPY_AND_ASSIGN(CandidateView);
    };

} // namespace ime
} // namespace ui

#endif // UI_CHROMEOS_IME_CANDIDATE_VIEW_H_
